package zuoye14;

import java.util.Scanner;

public class zy3 {
    public static void main(String[] args) {
//        3:已知一磅等于0.4535924千克，输入千克数，转换成磅数，并输出
        Scanner s = new Scanner(System.in);
        System.out.println("请输入千克数");
        double i = s.nextDouble();
        double x =0.4535924;
        double box = i/x;
        System.out.println(box);
    }
}
